Search results for "kids educational electronics"

1. Material: ABS housing 2. Features: Testing gauss, keep you away from radiation , good for your health 3. Special Functions: 5-LED indicators, each represent different value of radiation; Easy to use; Powered by 1 x 9V (included) 4. Application Monitoring: 50/ 60Hz frequency 5. Other: Dark green 0 to 1.5 milliGauss; Light green 1.5 to 2.5 milliGauss; Yellow 2.5 to 10 milliGauss; Orange 10 to 20 milliGauss; Red 20+ milliGauss 6. Size: 14.3 x 5.3 x 2.9cmSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 20.5cm * 6.5cm * 5cm / 8.07inch * 2.56inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 43cm * 35cm / 20.47inch * 16.93inch * 13.78inch Loading Container 20GP: 340 cartons * 100 pcs = 34000 pcs40HQ: 791 cartons * 100 pcs = 79100 pcs

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Overview1. This is a Pi LoRa HAT based on SX1262, covers 915MHz frequency band. It allows data transmission up to 5km through serial port.2. By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on.3. Comparing with normal LoRa modules, the SX1262 LoRa HAT achieves longer communication distance, higher rate, lower consumption, better safety and anti-interference. It is suitable for various applications such as industrial control, smart home, data collection, etc.Features1.Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. Onboard CP2102 USB TO UART converter, for serial debugging3. Bring the UART control interface, for connecting host boards like Arduino/STM324. 4x LED indicators, easy to check the module status5. LoRa spread spectrum modulation technology, up to 81 available signal channel, longer communication distance, more robust to interference6. Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region7. Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications8. Customizable communication key which wont be retrieved, greatly improves the security of user data9. Support LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment10. Support RSSI signal intensity indicating, for evaluating signal quality, tuning the network11. Support wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter12. Support fixed-point transmission, broadcast, signal channel monitor13. Come with development resources and manual (examples for Raspberry Pi/STM32)What is on Board1. SX1262 LoRa module2. 74HC125V: voltage level translator3. CP2102: USB TO UART converter4. Raspberry Pi GPIO connector: for connecting with Raspberry Pi5. USB TO UART port6. UART header: for connecting host boards like STM32/Arduino7. SMA antenna connector8. IPEX antenna connector9. Indicators:- RXD/TXD: UART RX/TX indicator- AUX: auxiliary indicator- PWR: power indicator10. UART selection jumpers- A: Control the LoRa module through USB TO UART- B: Control the LoRa module through Raspberry Pi- C: Access Raspberry Pi through USB TO UART11. LoRa mode selection jumpers- Short M0, short M1: Transmission mode- Short M0, open M1: Configuration mode- Open M0, short M1: WOR mode- Open M0, open M1: deep sleep modeSpecification1. RF module: SX12622. Frequency band: 850.125 ~ 930.125MHz3. Radio rate: 0.3kbps ~ 62.5kbps (programmable)4. Transmit power: 22.0dBm (10/13/17/22dBm programmable)5. Receive sensitivity: -147dBm (radio rate 2.4kbps)6. Power consumption: - Transmit current: 133mA (transient consumption)- Receive current: 11mA- Sleep current: 2uA (LoRa module software shutoff)7. Communication interface: UART (TTL level)8. Baudrate: 1200bps ~ 115200bps (9600bps by default)9. Packet length: 240 Byte (32/64/128/240 Byte programmable)10. Cache: 1000 Byte11. Experimental range: 5km (condition: cloudless and wild, altitude 2.5m, antenna gain 5dBi, radio rate 2.4kbps)12. Power supply: 5V13. Logic level: 3.3V/5V14. Operating temperature: -40~85 degree C15. Applications: Smart home, industrial sensors, building automation, smart meters, and more other IoT applications16. Dimensions: 7cm x 12cm x 2cm17. Weight: 69g18. Packing List:- SX1262 915MHz LoRa HAT x1- USB type A plug to micro plug cable x1- 915MHz antenna x1Specification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 15cm * 8cm * 2cm / 5.91inch * 3.15inch * 0.79inch Qty per Carton 400 Carton Weight 44.80kgs / 98.77lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 400 pcs = 110800 pcs40HQ: 644 cartons * 400 pcs = 257600 pcs

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1. Mini body, compact and portable to carry in pocket. 2. Frequency Range: 400-470 3. Number of channels: 20Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 15cm * 15cm * 4cm / 5.91inch * 5.91inch * 1.57inch Qty per Carton 40 Carton Weight 12.50kgs / 27.56lb Carton Size 42cm * 42cm * 38cm / 16.54inch * 16.54inch * 14.96inch Loading Container 20GP: 397 cartons * 40 pcs = 15880 pcs40HQ: 923 cartons * 40 pcs = 36920 pcs

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1. This product is an AI development board based on ESP32-S3, integrating camera interface (DVP), SPI/QSPI display interface, and audio capture and playback functions, balancing low cost, high performance, and low power consumption to meet diverse smart terminal development needs. It supports integration with online AI platforms such as Xiaozhi/Doubao/DeepSeek, enabling human-computer interaction functions like voice dialogue and Q&A recognition. It also provides an Edge Impulse object detection example supporting real-time and multi-object recognition, suitable for rapid development of AI voice interaction, edge vision detection, HMI screen applications, and smart camera products. 2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a maximum main frequency of 240MHz. 3. Built-in 512KB SRAM, 384KB ROM, onboard 8MB PSRAM and 16MB Flash. 4. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with excellent RF performance. 5. Dual microphone array supporting noise reduction and echo cancellation for high-quality voice interaction. 6. Expansion and interfaces: --SPI/QSPI LCD display interface --24PIN DVP camera interface --USB, I2C, and UART interfaces accessible. 7. Onboard lithium battery charging circuit supports 3.7V lithium battery power supply. 8. Reserved 2 user-defined buttons. 9. The overall solution is highly integrated with rich interfaces, suitable for rapid prototyping and application deployment of AIoT smart terminal products.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 12.60kgs / 27.78lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 96 pcs = 55968 pcs40HQ: 1354 cartons * 96 pcs = 129984 pcs

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1. Wide range of applications: the circuit tester can be used to test conductivity, test voltage polarity, check lights, check motors, trace and locate short circuits, test for poor ground contact, etc2. Long test line: 4m/4.5m two specifications, allows you to easily test any electrical system3. Short-circuit protection: the unit has a short-circuit protection function, which can instantly detect poor ground contact4. Simple operation: after simply connecting the unit to the vehicles battery, the automotive technician can conduct positive and negative battery currents to the tip by cranking the power switch forward or backward5. Dual-lamp design for easy use at night6. LCD screen with high definition display, data at a glance7. Integrated 6-24V DC test kit: Do not use under AC voltage8. External power supply: 12V or 24V DC power supply through the vehicle battery9. Machine size: about 260 x 40 x 28mmOperating Instructions:1. Unfold the cables of the unit2. Place the red clip on the positive terminal of the vehicle battery3. Attach the black clip to the negative terminal of the vehicle batterySpecification: Package Weight One Package Weight 0.38kgs / 0.85lb One Package Size 28cm * 14cm * 5cm / 11.02inch * 5.51inch * 1.97inch Qty per Carton 50 Carton Weight 21.00kgs / 46.30lb Carton Size 51cm * 41cm * 46cm / 20.08inch * 16.14inch * 18.11inch Loading Container 20GP: 277 cartons * 50 pcs = 13850 pcs40HQ: 643 cartons * 50 pcs = 32150 pcs

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1. Small size, easy to carry2. One-key recording, one-key saving, simple operation3. The internal microphone is an indefinite capacitor MIC, and the speaker playback system is Dynamic 2014mm, which brings you clear sound quality and playback.4. The recording effect of this product, the sound quality is relatively clear, the parameters are high, and it can achieve good results, so the file is large, please extract and save the recording file in time5. Applicable scenarios: study, meeting, interview, etc.6. Battery capacity: 90mah7. Size: 45x17x5mmSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 11cm * 8cm * 5cm / 4.33inch * 3.15inch * 1.97inch Qty per Carton 160 Carton Weight 10.30kgs / 22.71lb Carton Size 44cm * 32cm * 50cm / 17.32inch * 12.6inch * 19.69inch Loading Container 20GP: 378 cartons * 160 pcs = 60480 pcs40HQ: 879 cartons * 160 pcs = 140640 pcs

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1. Monitoring voltage: 4-28V2. Monitoring current: 0-7A3. Monitoring power: 0-120W4. D+/D- voltage: 0-3.3V5. Dimensions: 42x13x82mm6. Compatible with all interfaces, with 5P high-current USB-A, 24P all 7. Pin TYPE-C input and output interfaces, charging detection8. 2.0-inch LCD high-definition display, the measurement data is clearly visible9. 0.00001 low resolution, real-time detection of subtle changes in voltage, power and power during charging10. Support automatic protocol detection, PD2.0, PD3.0, PPS, QC2.0, QC3.0, QC4, FCP, SCP, AFC, PE, DASH VOOC, SuperVOOC, etc.11. Simple display interface, independent function menu, humanized operation12. Four functional curve display, cable detection13. 10 groups of energy records, battery capacity can be calculated by formula14. Driver-free installation, efficient and convenient data synchronization, Bluetooth APP overvoltage and overcurrent alarmSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 10cm * 6cm * 4cm / 3.94inch * 2.36inch * 1.57inch Qty per Carton 318 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 318 pcs = 56286 pcs40HQ: 412 cartons * 318 pcs = 131016 pcs

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Features:1. Lavalier design, safe, portable and not easy to lose2. Support digital music playback in various MP3 music formats3. Can be used as a mobile flash drive to store MP3 songs or data anytime and anywhere4. Can be used as a TF card reader5. Adopt USB1.1/2.0 interface, support hot swap, both plug and play6. Use a variety of operating platforms, support WIN98/SE/ME/W7/8/10above version7. No mechanical parts, anti-vibration, anti-electromagnetic interference8. Built-in high-efficiency rechargeable lithium battery, long standby timeInstructions for use:1. Put the MP3 switch in the power-on state, turn the switch to ON, and start playing. The status light starts blinking.2. Press the play button again to start in the paused state.3. Press Volume Adjustment to adjust the size.4. Press the front and back to adjust the song you want to listen to.5. To stop playing, press Pause first to put the host in a paused state.6. Turn the switch to OFF state. Shutdown complete.Precautions for use:1. Please do not charge the MP3 with the USB port of the computer for more than 2 hours, otherwise it will easily cause the failure and damage of the built-in lithium battery of the MP3.2. Please dont pay attention to the status of the MP3 or charger indicator light when charging, it will be fully charged in 1.5 hours, and the MP3 or charger indicator light will not change any status after fully charged.3. Do not connect to the USB port of the computer for more than 2 hours at a time. When pulling out the MP3 from the computer, you must strictly follow the requirements of the computer operating system, delete the hardware first, and then unplug the MP3. Otherwise, it is very easy to cause the MP3 player to lose the software program.4. When the new machine is in normal use, please do not upgrade the firmware of the MP3 player.Product parameters:1. Memory card type: TF card2. Expansion card: support3. Operation mode: button type4. Interface: USB 2.05. Headphone jack: 3.5mm6. Support audio format: MP37. Screen color: monochrome screen8. Screen resolution: 160×1289. Menu language: English10. Battery capacity: 90mAh lithium battery11. Battery life: 2 hours12. Product size: 5 x 3.1 x 1.7 cm13. Weight: 21 grams14. Packing: crystal boxSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 6cm * 6cm * 6cm / 2.36inch * 2.36inch * 2.36inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 47cm * 47cm * 47cm / 18.5inch * 18.5inch * 18.5inch Loading Container 20GP: 256 cartons * 500 pcs = 128000 pcs40HQ: 596 cartons * 500 pcs = 298000 pcs

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1. 4.3 inch HD LCD display, which is convenient to observe more detailed details. 2. 8pcs adjustable high brightness LED lights with long service life. 3. Support connecting to computer for real-time transmission. 4. The stand is very stable and you do not have to worry about the shaking outside. 5. Wide usage: board repair, print inspection, money check, learning and exploring, insect observation, jewelry identification. 6. Built-in 2000mAh lithium battery, long battery life. 7. It comes with 32M memory and can take about 100 photos.Specification: General Material ABS, Metal Display Screen 4.3 inch Field of View 16 Degrees Physical Interface Micro USB 2.0 Resolution Ratio 1920*1080P, 1280*960P, 640*480P Operating System Windows XP / Vista / 7 / 8 / 10, Mac OS 10.5 or above Languages English, French, German, Italian, Portuguese, Simple-Chinese, Traditional Chinese, Spanish, Japanese, Korean Size 21*21*13.5cm Weight 375g Package Include Package Contents 1 x Cleaning Cloth 1 x Microscope 1 x USB cable 1 x User Manual Package Weight One Package Weight 0.63kgs / 1.39lb One Package Size 19cm * 16cm * 12cm / 7.48inch * 6.3inch * 4.72inch Qty per Carton 27 Carton Weight 17.00kgs / 37.48lb Carton Size 55cm * 48cm * 45cm / 21.65inch * 18.9inch * 17.72inch Loading Container 20GP: 224 cartons * 27 pcs = 6048 pcs40HQ: 521 cartons * 27 pcs = 14067 pcs

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1. Integrates wireless charging, time display, alarm clock and ambient night light in one unit, providing a one-stop solution for desktop charging and daily needs, simplifying your life.2. Efficient wireless fast chargingPhone: Supports 15W Max magnetic wireless fast charging with precise magnetic positioning and adjustable stand angle.Smart watch: 3W wireless fast charging for quick full power.Earbuds: 5W wireless fast charging for efficient power replenishment.3. Supports free switching between 12/24-hour time display, with customizable alarm settings and real-time reminders to meet daily schedule management needs.4. Built-in LED night light with adjustable brightness and colors, providing soft and non-glaring light during night charging, easy to find devices at night and create a warm atmosphere.5. Equipped with multiple protections including foreign object detection, over-temperature, over-current, under-voltage, short-circuit and over-voltage protection, fully protecting device and charging safety.6. High integration, saves desktop space, suitable for bedroom nightstands, office desks and other scenarios.7. The clock has a built-in 3V button battery for function memory. When the input is disconnected from power, the button battery supplies power to the clock chip (time not displayed) to ensure accurate time after power reconnection.8. Material: Zinc alloy + ABS + PC9. Input: Type-C 9V/3A10. Charging method: wireless electromagnetic induction11. Total power: 25W12. Net weight: 380gSpecification: Package Weight One Package Weight 0.57kgs / 1.27lb One Package Size 21cm * 10cm * 14cm / 8.27inch * 3.94inch * 5.51inch Qty per Carton 20 Carton Weight 12.50kgs / 27.56lb Carton Size 52cm * 45cm * 32cm / 20.47inch * 17.72inch * 12.6inch Loading Container 20GP: 356 cartons * 20 pcs = 7120 pcs40HQ: 826 cartons * 20 pcs = 16520 pcs

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1. This is an outdoor wired electric pet fence system designed for dog containment, training, and bark control. It includes two receiver collars (one large and one small) to accommodate dogs of different sizes, providing a customizable and safe boundary for your pets.2. Equipped with a smart knob offering 10 levels of signal adjustment, allowing you to precisely define the boundary width for your pets play area, ensuring a balance of safety and freedom.3. Multi-Collar Management: Supports the addition of unlimited collars, making it ideal for multi-dog households and cost-effective for expanding the system.4. Waterproof Collar Design: The large receiver is IPX7 rated, and the small receiver is IPX5 rated, enabling dogs to play freely in various outdoor conditions.5. Universal Type-C Charging: Compatible with 5V 2A input, supporting safe and environmentally friendly charging using most standard adapters.6. Built-in Lightning Protection: Protects the transmitter from electrical surges caused by lightning strikes, enhancing durability.7. Adjustable Warning Modes: Features a rapid, progressive boundary algorithm with customizable corrections—the large collar offers tone + vibration (levels 1-5) and tone + static (levels 1-5), while the small collar provides tone-only adjustments (levels 1-3), suitable for different training needs and dog sizes.Specification: Package Weight One Package Weight 0.90kgs / 1.99lb One Package Size 30cm * 30cm * 8cm / 11.81inch * 11.81inch * 3.15inch Qty per Carton 5 Carton Weight 5.60kgs / 12.35lb Carton Size 32cm * 32cm * 42cm / 12.6inch * 12.6inch * 16.54inch Loading Container 20GP: 620 cartons * 5 pcs = 3100 pcs40HQ: 1439 cartons * 5 pcs = 7195 pcs

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1. Working voltage: 2.6~3.3V2. Test voltage range: 0.1V~250V / 40~1kHz3. Working temperature: 0~40 degrees Celsius4. Working humidity: Relative humidity 20%~75%5. Material temperature: -10~50 degrees Celsius6. Raw material humidity: Relative humidity 20%~80%7. RCD current: more than 30mA8. RCD working voltage: 220+/-20V9. Battery: 2 AAA batteries (not included)10. Size: 64.5x64.5x58.2 (mm)11. Mainly used to detect the plug polarity and the safety of the leakage switch, which can quickly and accurately detect the plug wiring. At the same time, the plug voltage can be tested and displayed on the LED display of the LCD screen.12. Features: VA color display, leakage protection, zero line recognition, automatic shutdown, non-contact detectionSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 12cm * 12cm * 10cm / 4.72inch * 4.72inch * 3.94inch Qty per Carton 40 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 50cm * 25cm / 20.47inch * 19.69inch * 9.84inch Loading Container 20GP: 410 cartons * 40 pcs = 16400 pcs40HQ: 952 cartons * 40 pcs = 38080 pcs

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